Electric safety-fuse.



E. WESSBERG.

ELECTRIC SAFETY FUSE.

APPLIGATION FILED JUNB4,1913,

l. mg the upper end of said inner said upper stopper und the upper 'Cep for,

electrically connecting them,a1'1d an insulating liquid filling the lower part of said outer tube and said inner tube.

2. In an electric safety fuse, an upright outer tube of insulating materiel, two' vnuetellin caps closing seid Outer tube above enel the upper end below anni' forming contacts, en innerA tube of insulating materiel gvitbin seid outer tube end surrounded with e metallic tube, said inner tube extending from the lower end to n point beneath the upper enfl of seid outer tube, an annuler metallic stopper closing the lower end of seid inner tube emi adapted te come in Contact with the lower dep u metallic spindle closing the upper end o seid inner tube, e thin wn'eelectricell connecting seid annular stopper with saiclY dle and forming; e safety fuse, a, helical spring surrounding seid spindle for electri cally connecting seme with the uppervca and for pressing seid inner tube downwar and an insulating liquid filling the 4h iwer part of seid outer tube and seici inner tube.

ERNST WESSBERG. 'Witnesses l ANDREAS Brrrnn,

CURT Soneonnnnn.

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